4000C2=\frac{4000!}{\left(4000-2\right)!\times2!} 7998000 number of ways
Frequently asked questions (FAQs)
What are the characteristics of the parabola function 𝑦 = 𝑎𝑥^2? How does changing the value of 𝑎 affect the shape, direction, and vertex of the parabola?
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What are the characteristics of the cotangent function f(x) = cot(x)?
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What is the period of the trigonometric function y = 3sin(2x) - 4cos(3x)?